<script setup>
import { Edit, Delete } from "@element-plus/icons-vue";
import { ref } from "vue";
const categorys = ref([
  {
    id: 3,
    categoryName: "美食",
    categoryAlias: "my",
    createTime: "2023-09-02 12:06:59",
    updateTime: "2023-09-02 12:06:59",
  },
]);

//声明一个异步的函数
import { ArticleCategoryListService,ArticleCategoryAddService,articleCategoryUpdateService,articleCategoryDeleteService } from "@/api/article.js";
const articleCategoryList = async () => {
  let result = await ArticleCategoryListService();
  categorys.value = result.data;
};
articleCategoryList();

//控制添加分类弹窗
const dialogVisible = ref(false);

//添加分类数据模型
const categoryModel = ref({
  categoryName: "",
  categoryAlias: "",
});
//添加分类表单校验
const rules = {
  categoryName: [
    { required: true, message: "请输入分类名称", trigger: "blur" },
  ],
  categoryAlias: [
    { required: true, message: "请输入分类别名", trigger: "blur" },
  ],
};

//调用接口，添加表单
import {ElMessage} from 'element-plus'
const addCategory =async ()=>{
    //调用接口 
    let result = await ArticleCategoryAddService(categoryModel.value);
    ElMessage.success(result.msg?result.msg:'添加成功')

    //调用获取所有文章分类的函数
    articleCategoryList();
    dialogVisible.value=false;
}

//定义变量，控制弹窗标题的展示
const title = ref('')

//展示编辑弹窗
const showDialog = (row)=>{
    dialogVisible.value=true;
    title.value='编辑分类';
    //数据拷贝（编辑弹窗回显）
    categoryModel.value.categoryName = row.categoryName;
    categoryModel.value.categoryAlias = row.categoryAlias;
    //拓展id属性，将来需要传递给后台，完成分类的修改
    categoryModel.value.id = row.id;
}

//编辑分类
const updateCategory = async ()=>{
    //调用接口
    let result = await articleCategoryUpdateService(categoryModel.value);
    ElMessage.success(result.msg?result.msg:'修改成功')
    //调用获取所有分类的函数
    articleCategoryList();
    //隐藏弹窗
    dialogVisible.value = false
}

//清空添加弹窗中的回显数据
const clearData=()=>{
    categoryModel.value.categoryName = '';
    categoryModel.value.categoryAlias = '';
}

//删除分类
import {ElMessageBox} from 'element-plus'
const deletegory=(row)=>{
    //提示用户 确认框
     ElMessageBox.confirm(
    '你确认要删除该分类信息吗?',
    '温馨提示',
    {
      confirmButtonText: '确认',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
    .then(async() => {
        //调用接口
        let result = await articleCategoryDeleteService(row.id);
        ElMessage({
            type: 'success',
            message: '删除成功',
        })
        //刷新列表
        articleCategoryList();
    })
    .catch(() => {
        ElMessage({
            type: 'info',
            message: '用户取消删除',
        })
    })
}
</script>
<template>
  <el-card class="page-container">
    <template #header>
      <div class="header">
        <span>文章分类</span>
        <div class="extra">
          <el-button type="primary" @click="dialogVisible = true;title='添加分类';clearData()">添加分类</el-button>
        </div>
      </div>
    </template>
    <el-table :data="categorys" style="width: 100%">
      <el-table-column label="序号" width="100" type="index"> </el-table-column>
      <el-table-column label="分类名称" prop="categoryName"></el-table-column>
      <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
      <el-table-column label="操作" width="100">
        <template #default="{ row }">
          <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
          <el-button :icon="Delete" circle plain type="danger" @click="deletegory(row)"></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>
    <!-- 添加分类弹窗 -->
    <el-dialog v-model="dialogVisible" :title="title" width="30%">
      <el-form
        :model="categoryModel"
        :rules="rules"
        label-width="100px"
        style="padding-right: 30px"
      >
        <el-form-item label="分类名称" prop="categoryName">
          <el-input
            v-model="categoryModel.categoryName"
            minlength="1"
            maxlength="10"
          ></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="categoryAlias">
          <el-input
            v-model="categoryModel.categoryAlias"
            minlength="1"
            maxlength="15"
          ></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="title=='添加分类'?addCategory():updateCategory()"> 确认 </el-button>
        </span>
      </template>
    </el-dialog>
  </el-card>
</template>

<style lang="scss" scoped>
.page-container {
  min-height: 100%;
  box-sizing: border-box;

  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}
</style>